Montesano Flag

Montesano

County Seat:
Yes
Area (mi²):
10.903
State:
Washington

Montesano is a city located in Grays Harbor County, Washington. Montesano has a 2025 population of 4,199. It is also the county seat of Grays Harbor CountyMontesano is currently growing at a rate of 0.24% annually and its population has increased by 1.23% since the most recent census, which recorded a population of 4,148 in 2020.

The average household income in Montesano is $98,847 with a poverty rate of 3.06%.The median age in Montesano is 42.3 years: 34.3 years for males, and 45.3 years for females.

4.2K
Total Population
385
Density (mi²)
10 0.24%
Growth

Montesano Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)